Caterpillar Spool 7S-8487 Hydraulic Spool Valve Assembly is an OEM Caterpillar part identified by the number 7S-8487. Described as a Caterpillar Spool, this is an original Caterpillar component intended for use within Cat hydraulic systems. The valve assembly functions as the spool-type control element that directs hydraulic fluid through the valve body to operate machine functions.
